DinOS and other Anachronisms

DinOS is not an acronym, but rather refers to old (or really, really old) Operating Systems. Many of us still use or support these. They include OS/MVS, Multics, VMS, UNIX, DOS, OS/2, and many, many more. While they may not be in vogue, in many data centers around the world, they still handle the bulk of the data processing. They are elegant in their simplicity, and can handle huge workloads on hardware which is often less powerful than many of today's cell phones. Long live the DinOS!.

The REXX Macros Toolbox Preview
— GoREXX macros for the programmer who is already using or is familiar with any of the following: REXX, MVS, SPF, ISPF, PDF, PDS file, OS/2, SPF/PC, or TSO; running on mainframe or PC's.